Finding the Fourth Proportional to 2,123.12, 3,184.48 and 1,300.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.12 : 3,184.48 = 1,300.97 : x
2. Step 2: Convert to fraction form
   2,123.12/3,184.48 = 1,300.97/x
3. Step 3: Cross multiply
   2,123.12x = 3,184.48 × 1,300.97
4. Step 4: Simplify right side
   2,123.12x = 4,142,922.53
5. Step 5: Solve for x
   x = 4,142,922.53/2,123.12
6. Step 6: Final answer
   x = 1,951.33